Fix the issue detected by the smatch tool. fs/ext4/inode.c:3583 ext4_map_blocks_atomic_write_slow() error: uninitialized symbol 'next_pblk'. fs/ext4/namei.c:1776 ext4_lookup() error: uninitialized symbol 'de'. fs/ext4/namei.c:1829 ext4_get_parent() error: uninitialized symbol 'de'. fs/ext4/namei.c:3162 ext4_rmdir() error: uninitialized symbol 'de'. fs/ext4/namei.c:3242 __ext4_unlink() error: uninitialized symbol 'de'. fs/ext4/namei.c:3697 ext4_find_delete_entry() error: uninitialized symbol 'de'. These changes enhance code clarity, address static analysis tool errors. Signed-off-by: Ranganath V N --- v2: corrected the kernel test robot noticed build errors. fs/ext4/inode.c | 2 +- fs/ext4/namei.c | 10 +++++----- 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 5b7a15db4953..f20db3f4ef68 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -3544,7 +3544,7 @@ static int ext4_map_blocks_atomic_write_slow(handle_t *handle, ext4_lblk_t m_lblk = map->m_lblk; unsigned int m_len = map->m_len; unsigned int mapped_len = 0, m_flags = 0; - ext4_fsblk_t next_pblk; + ext4_fsblk_t next_pblk = 0; bool check_next_pblk = false; int ret = 0; diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index 2cd36f59c9e3..045616033515 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -1762,7 +1762,7 @@ static struct buffer_head * ext4_dx_find_entry(struct inode *dir, static struct dentry *ext4_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags) { struct inode *inode; - struct ext4_dir_entry_2 *de; + struct ext4_dir_entry_2 *de = NULL; struct buffer_head *bh; if (dentry->d_name.len > EXT4_NAME_LEN) @@ -1818,7 +1818,7 @@ static struct dentry *ext4_lookup(struct inode *dir, struct dentry *dentry, unsi struct dentry *ext4_get_parent(struct dentry *child) { __u32 ino; - struct ext4_dir_entry_2 * de; + struct ext4_dir_entry_2 * de = NULL; struct buffer_head *bh; bh = ext4_find_entry(d_inode(child), &dotdot_name, &de, NULL); @@ -3133,7 +3133,7 @@ static int ext4_rmdir(struct inode *dir, struct dentry *dentry) int retval; struct inode *inode; struct buffer_head *bh; - struct ext4_dir_entry_2 *de; + struct ext4_dir_entry_2 *de = NULL; handle_t *handle = NULL; retval = ext4_emergency_state(dir->i_sb); @@ -3224,7 +3224,7 @@ int __ext4_unlink(struct inode *dir, const struct qstr *d_name, { int retval = -ENOENT; struct buffer_head *bh; - struct ext4_dir_entry_2 *de; + struct ext4_dir_entry_2 *de = NULL; handle_t *handle; int skip_remove_dentry = 0; @@ -3688,7 +3688,7 @@ static int ext4_find_delete_entry(handle_t *handle, struct inode *dir, { int retval = -ENOENT; struct buffer_head *bh; - struct ext4_dir_entry_2 *de; + struct ext4_dir_entry_2 *de = NULL; bh = ext4_find_entry(dir, d_name, &de, NULL); if (IS_ERR(bh)) -- 2.43.0